From b70370f3fdb39b08c8be3c22aafbb77a7063bdba Mon Sep 17 00:00:00 2001
From: Sergey Ivanov <sergey.ivanov@intel.com>
Date: Fri, 10 Dec 2021 11:58:59 +0300
Subject: [PATCH] Merge pull request #21230 from
 sivanov-work:gapi_win32_vpl_fix

G-API: Fix Win32 build: uint64_t ->size_t

* Fix Win32 build: uint64_t ->size_t

* Fix for MAC
---
 .../include/opencv2/gapi/streaming/onevpl/cfg_params.hpp  | 2 +-
 modules/gapi/samples/onevpl_infer_single_roi.cpp          | 4 ++--
 modules/gapi/src/streaming/onevpl/cfg_params.cpp          | 8 ++++++--
 3 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/modules/gapi/include/opencv2/gapi/streaming/onevpl/cfg_params.hpp b/modules/gapi/include/opencv2/gapi/streaming/onevpl/cfg_params.hpp
index 0f35200f49..bfd922496a 100644
--- a/modules/gapi/include/opencv2/gapi/streaming/onevpl/cfg_params.hpp
+++ b/modules/gapi/include/opencv2/gapi/streaming/onevpl/cfg_params.hpp
@@ -61,7 +61,7 @@ struct GAPI_EXPORTS CfgParam {
      *
      */
     static constexpr const char *frames_pool_size_name() { return "frames_pool_size"; }
-    static CfgParam create_frames_pool_size(uint64_t value);
+    static CfgParam create_frames_pool_size(size_t value);
 
     /**
      * @brief acceleration_mode_name
diff --git a/modules/gapi/samples/onevpl_infer_single_roi.cpp b/modules/gapi/samples/onevpl_infer_single_roi.cpp
index 1ab06de739..06950bcabe 100644
--- a/modules/gapi/samples/onevpl_infer_single_roi.cpp
+++ b/modules/gapi/samples/onevpl_infer_single_roi.cpp
@@ -196,8 +196,8 @@ int main(int argc, char *argv[]) {
     std::string file_path = cmd.get<std::string>("input");
     const std::string output = cmd.get<std::string>("output");
     const auto face_model_path = cmd.get<std::string>("facem");
-    const auto streaming_queue_capacity = cmd.get<uint64_t>("streaming_queue_capacity");
-    const auto source_queue_capacity = cmd.get<uint64_t>("frames_pool_size");
+    const auto streaming_queue_capacity = cmd.get<uint32_t>("streaming_queue_capacity");
+    const auto source_queue_capacity = cmd.get<uint32_t>("frames_pool_size");
 
     // check ouput file extension
     if (!output.empty()) {
diff --git a/modules/gapi/src/streaming/onevpl/cfg_params.cpp b/modules/gapi/src/streaming/onevpl/cfg_params.cpp
index 97458faed3..599f751358 100644
--- a/modules/gapi/src/streaming/onevpl/cfg_params.cpp
+++ b/modules/gapi/src/streaming/onevpl/cfg_params.cpp
@@ -86,8 +86,12 @@ CfgParam::CfgParam (const std::string& param_name, value_t&& param_value, bool i
 
 CfgParam::~CfgParam() = default;
 
-CfgParam CfgParam::create_frames_pool_size(uint64_t value) {
-    return CfgParam::create(CfgParam::frames_pool_size_name(), value, false);
+CfgParam CfgParam::create_frames_pool_size(size_t value) {
+    // NB: cast to uint64_t because CfgParam inner variant works over
+    // uint64_t instead of size_t and mirrored VPL types variety
+    // but size_t looks more friendly for C++ high-level development
+    return CfgParam::create(CfgParam::frames_pool_size_name(),
+                            static_cast<uint64_t>(value), false);
 }
 
 CfgParam CfgParam::create_acceleration_mode(uint32_t value) {